Extraction | Analysis | Samples | LOD, μg L−1 | RSD, % | PF or EF | Extraction | Ref |
---|---|---|---|---|---|---|---|
DSDME | UV-Vis | Mineral | 0.19 | 2.7 | 325 | 7.5 | 3 |
- | Online UV-Vis | Natural | 1.3 | 0.8-5.6 | - | - | 5 |
DLLME-SFO | UV-Vis | Tap and river | 0.7 | 1.23-6.15 | 50 | 10 | 6 |
SPE | UV-Vis | Fruit leaves | 2.23 | 2 | - | 30 | 8 |
CPE | UV-Vis | Tap, well | 0.5 | 1.4 | 20 | 20 | 31 |
SPE | UV-Vis | - | 0.04 | 0.38 | 147.9 | 60 | 35 |
On-line SPE | flow-injection | Fresh and | 0.18 | 5.2-5.9 | 18 | - | 36 |
RA-SUPRAs- | UV-Vis | Lake and | 9.62 | 0.44-3.5 | 15 | 10 | This |
Ion | Added Salt | Studied concentration, mg·L-1 | Recovery, % |
---|---|---|---|
NaNO3 | 2500 | 102±0 | |
KCl | 1000 | 97±1 | |
Mg(NO3)2.6H2O | 250 | 98±3 | |
Ca(NO3)2.4H2O | 500 | 100±2 | |
KCl | 1000 | 97±1 | |
Na2SO4 | 1000 | 102±0 |
Sample | Added, μg·L-1 | Found, μg·L-1 | Recovery, % |
---|---|---|---|
Lake water-I | 0 | 264±2 : mean | - |
66 | 334±8 | 101 | |
132 | 402±14 | 102 | |
Spring water | 0 | 260±4 | - |
100 | 358±2 | 99 | |
200 | 450±2 | 98 | |
Lake water-II | 0 | 276±4 | - |
66 | 326±2 | 95 | |
132 | 432±2 | 94 |